windows-nt/Source/XPSP1/NT/admin/snapin/dsadmin/stdabout.cpp
2020-09-26 16:20:57 +08:00

161 lines
3.9 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1998 - 1998
//
// File: stdabout.cpp
//
//--------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////
// StdAbout.cpp
//
// Implementation of the ISnapinAbout interface
//
// HISTORY
// 31-Jul-97 t-danm Creation.
/////////////////////////////////////////////////////////////////////
#include "stdafx.h"
HRESULT
HrLoadOleString(UINT uStringId, // IN: String Id to load from the resource
OUT LPOLESTR * ppaszOleString) // OUT: Pointer to pointer to allocated OLE string
{
if (ppaszOleString == NULL)
{
TRACE0("HrLoadOleString() - ppaszOleString is NULL.\n");
return E_POINTER;
}
CString strT; // Temporary string
AFX_MANAGE_STATE(AfxGetStaticModuleState()); // Needed for LoadString()
VERIFY( strT.LoadString(uStringId) );
*ppaszOleString = reinterpret_cast<LPOLESTR>
(CoTaskMemAlloc((strT.GetLength() + 1)* sizeof(wchar_t)));
if (*ppaszOleString == NULL)
{
return E_OUTOFMEMORY;
}
USES_CONVERSION;
wcscpy(OUT *ppaszOleString, T2OLE((LPTSTR)(LPCTSTR)strT));
return S_OK;
} // HrLoadOleString()
CSnapinAbout::CSnapinAbout() :
hBitmapSmallImage(0),
hBitmapSmallImageOpen(0),
hBitmapLargeImage(0)
{
}
CSnapinAbout::~CSnapinAbout()
{
if (hBitmapSmallImage)
{
DeleteObject(hBitmapSmallImage);
hBitmapSmallImage = 0;
}
if (hBitmapSmallImageOpen)
{
DeleteObject(hBitmapSmallImageOpen);
hBitmapSmallImageOpen = 0;
}
if (hBitmapLargeImage)
{
DeleteObject(hBitmapLargeImage);
hBitmapLargeImage = 0;
}
}
STDMETHODIMP CSnapinAbout::GetSnapinDescription(OUT LPOLESTR __RPC_FAR *lpDescription)
{
return HrLoadOleString(m_uIdStrDestription, OUT lpDescription);
}
STDMETHODIMP CSnapinAbout::GetProvider(OUT LPOLESTR __RPC_FAR *lpName)
{
return HrLoadOleString(m_uIdStrProvider, OUT lpName);
}
STDMETHODIMP CSnapinAbout::GetSnapinVersion(OUT LPOLESTR __RPC_FAR *lpVersion)
{
return HrLoadOleString(m_uIdStrVersion, OUT lpVersion);
}
STDMETHODIMP CSnapinAbout::GetSnapinImage(OUT HICON __RPC_FAR *hAppIcon)
{
if (hAppIcon == NULL)
return E_POINTER;
AFX_MANAGE_STATE(AfxGetStaticModuleState()); // Required for AfxGetInstanceHandle()
*hAppIcon = ::LoadIcon(AfxGetInstanceHandle(), MAKEINTRESOURCE(m_uIdIconImage));
if (*hAppIcon == NULL)
{
ASSERT(FALSE && "Unable to load icon");
return E_FAIL;
}
return S_OK;
}
STDMETHODIMP CSnapinAbout::GetStaticFolderImage(
OUT HBITMAP __RPC_FAR *hSmallImage,
OUT HBITMAP __RPC_FAR *hSmallImageOpen,
OUT HBITMAP __RPC_FAR *hLargeImage,
OUT COLORREF __RPC_FAR *crMask)
{
ASSERT(hSmallImage != NULL);
ASSERT(hSmallImageOpen != NULL);
ASSERT(hLargeImage != NULL);
ASSERT(crMask != NULL);
AFX_MANAGE_STATE(AfxGetStaticModuleState()); // Required for AfxGetInstanceHandle()
HINSTANCE hInstance = AfxGetInstanceHandle();
if (!hBitmapSmallImage)
{
hBitmapSmallImage = ::LoadBitmap(hInstance, MAKEINTRESOURCE(m_uIdBitmapSmallImage));
}
ASSERT(hBitmapSmallImage);
*hSmallImage = hBitmapSmallImage;
if (!hBitmapSmallImageOpen)
{
hBitmapSmallImageOpen = ::LoadBitmap(hInstance, MAKEINTRESOURCE(m_uIdBitmapSmallImageOpen));
}
ASSERT(hBitmapSmallImageOpen);
*hSmallImageOpen = hBitmapSmallImageOpen;
if (!hBitmapLargeImage)
{
hBitmapLargeImage = ::LoadBitmap(hInstance, MAKEINTRESOURCE(m_uIdBitmapLargeImage));
}
ASSERT(hBitmapLargeImage);
*hLargeImage = hBitmapLargeImage;
*crMask = m_crImageMask;
#ifdef _DEBUG
if (NULL == *hSmallImage || NULL == *hSmallImageOpen || NULL == *hLargeImage)
{
TRACE0("WRN: CSnapinAbout::GetStaticFolderImage() - Unable to load all the bitmaps.\n");
return E_FAIL;
}
#endif
return S_OK;
}